| IEEE 802.15.4 IC Vendor Matrix
ABI Research evaluates vendors on the basis of Innovation and Implementation by selecting multiple criteria related to product/company characteristics that serve as proxies for the vendors' performance in these two areas. Upon evaluation, vendors are assigned numerical scores that are aggregated and analyzed to provide overall rankings of each vendor on the Innovation and Implementation axes. Specific to the evaluation of IEEE 802.15.4 IC vendors, relevant criteria included: whether the vendor had an SoC product offering, date of first product release, current product generation, transmit and receive power, receive sensitivity, and public/private status of vendor. IEEE 802.15.4 IC Vendor Matrix Top 5 Listing:
 Denotes highest rated company along the Implementation scale
 Denotes highest rated company along the Innovation scale
Rankings After individual scores are established for Innovation and Implementation using the above criteria, an overall company score is established using the Root Mean Square (RMS) method:  The resulting overall scores are then ranked and used for percentile comparisons. The RMS method, in comparison with a straight summation or average of individual innovation and implementation values, rewards companies for standout performance. For example, using this method a company with an innovation score of 9 and an implementation score of 1 would score considerably higher than a company with a score of 5 in both areas, despite the mean score being the same. ABI Research believes this is appropriate as the goal of these matrices is to highlight those companies that stand out from the others. |
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